The API Report CardAPI Index
AppSignal

AppSignal API

Application performance monitoring and error tracking · appsignal.com

AppSignal ships documented REST, GraphQL and MCP surfaces with self-serve tokens from account settings and a free plan, including a hosted public MCP endpoint for AI agents, so telemetry is reachable without gatekeeping. Token only authentication, a beta MCP label and a thin deprecation record are the only real deductions.

Last verified: September 2026Developer ToolsNO MCP
API GRADE
A
VERIFIED SEP 2026

SCORECARD

ExistenceGOODPublic REST v2 and GraphQL references on docs.appsignal.com plus documented MCP setup and reference pages and an official appsignal-mcp repository.
AccessGOODSelf-serve signup, permanent free plan, API tokens from personal settings and MCP tokens from Account Settings, with no sales or approval gate.
CoverageGOODREST v2 reads metrics, traces, logs, Kubernetes metrics and deploy data, GraphQL manages apps and alerts, MCP exposes telemetry to agents.
AuthMIXEDPersonal API tokens and separate MCP tokens only, passed as bearer or query parameter, with no OAuth 2.0 flow in the docs.
Docs & DXGOODPublic REST and GraphQL reference, MCP setup and reference pages, an llms.txt docs index and an official open source MCP project, but no sandbox.
StabilityMIXEDREST is versioned at v2 beside a legacy /api path, the MCP server is published as beta, and no deprecation policy is documented.
MCPNONENo official or community MCP server found for this platform.
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Frequently asked questions

AppSignal scores A on Supergood's API Report Card. AppSignal ships documented REST, GraphQL and MCP surfaces with self-serve tokens from account settings and a free plan, including a hosted public MCP endpoint for AI agents, so telemetry is reachable without gatekeeping. Token only authentication, a beta MCP label and a thin deprecation record are the only real deductions.

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